def __init__(self, singleParticleBasis, matrix, verbose = False, all_real = True):
self.matrix = matrix
SingleParticleBasis.__init__(self, singleParticleBasis)
self.eigenEnergies = None
self.eigenStates = None # column vectors are eigenstates
self.blocksizes = [self.fockspaceSize]
self.verbose = verbose
self.transformation = coo_matrix(([1]*self.fockspaceSize,
(range(self.fockspaceSize),
range(self.fockspaceSize))))
self.energyShift = None
self.all_real = all_real
